14977987 has 2 divisors, whose sum is σ = 14977988. Its totient is φ = 14977986.

The previous prime is 14977973. The next prime is 14978009. The reversal of 14977987 is 78977941.

14977987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14977987 - 2¹⁵ = 14945219 is a prime.

It is not a weakly prime, because it can be changed into another prime (14977087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7488993 + 7488994.

It is an arithmetic number, because the mean of its divisors is an integer number (7488994).

Almost surely, 2^14977987 is an apocalyptic number.

14977987 is a deficient number, since it is larger than the sum of its proper divisors (1).

14977987 is an equidigital number, since it uses as much as digits as its factorization.

14977987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 52.

The square root of 14977987 is about 3870.1404367284. The cubic root of 14977987 is about 246.5005067555.

The spelling of 14977987 in words is "fourteen million, nine hundred seventy-seven thousand, nine hundred eighty-seven".